306855348 has 12 divisors (see below), whose sum is σ = 715995840. Its totient is φ = 102285112.

The previous prime is 306855347. The next prime is 306855371. The reversal of 306855348 is 843558603.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×306855348² = 188320409192402208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306855343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12785628 + ... + 12785651.

It is an arithmetic number, because the mean of its divisors is an integer number (59666320).

Almost surely, 2^306855348 is an apocalyptic number.

It is an amenable number.

306855348 is an abundant number, since it is smaller than the sum of its proper divisors (409140492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306855348 is a wasteful number, since it uses less digits than its factorization.

306855348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25571286 (or 25571284 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 306855348 is about 17517.2871187293. The cubic root of 306855348 is about 674.4937020914.

The spelling of 306855348 in words is "three hundred six million, eight hundred fifty-five thousand, three hundred forty-eight".